/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 14:07:50,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 14:07:50,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 14:07:50,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 14:07:50,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 14:07:50,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 14:07:50,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 14:07:50,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 14:07:50,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 14:07:50,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 14:07:50,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 14:07:50,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 14:07:50,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 14:07:50,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 14:07:50,200 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 14:07:50,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 14:07:50,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 14:07:50,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 14:07:50,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 14:07:50,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 14:07:50,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 14:07:50,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 14:07:50,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 14:07:50,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 14:07:50,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 14:07:50,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 14:07:50,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 14:07:50,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 14:07:50,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 14:07:50,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 14:07:50,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 14:07:50,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:07:50,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 14:07:50,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 14:07:50,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 14:07:50,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 14:07:50,204 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 14:07:50,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 14:07:50,204 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 14:07:50,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 14:07:50,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 14:07:50,205 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 14:07:50,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 14:07:50,205 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 14:07:50,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 14:07:50,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 14:07:50,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 14:07:50,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 14:07:50,548 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 14:07:50,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i [2021-06-06 14:07:50,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd26093b5/ad5edae4e6d749158867ee70bf7d6ebf/FLAG46bb72e22 [2021-06-06 14:07:51,078 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 14:07:51,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i [2021-06-06 14:07:51,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd26093b5/ad5edae4e6d749158867ee70bf7d6ebf/FLAG46bb72e22 [2021-06-06 14:07:51,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd26093b5/ad5edae4e6d749158867ee70bf7d6ebf [2021-06-06 14:07:51,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 14:07:51,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 14:07:51,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 14:07:51,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 14:07:51,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 14:07:51,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d9dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51, skipping insertion in model container [2021-06-06 14:07:51,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 14:07:51,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 14:07:51,388 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i[950,963] [2021-06-06 14:07:51,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:07:51,555 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 14:07:51,565 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.oepc.i[950,963] [2021-06-06 14:07:51,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:07:51,672 INFO L208 MainTranslator]: Completed translation [2021-06-06 14:07:51,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51 WrapperNode [2021-06-06 14:07:51,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 14:07:51,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 14:07:51,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 14:07:51,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 14:07:51,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 14:07:51,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 14:07:51,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 14:07:51,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 14:07:51,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... [2021-06-06 14:07:51,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 14:07:51,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 14:07:51,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 14:07:51,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 14:07:51,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:07:51,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 14:07:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 14:07:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 14:07:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 14:07:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 14:07:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 14:07:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 14:07:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 14:07:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 14:07:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 14:07:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 14:07:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 14:07:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 14:07:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 14:07:51,826 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 14:07:52,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 14:07:52,145 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 14:07:52,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:07:52 BoogieIcfgContainer [2021-06-06 14:07:52,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 14:07:52,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 14:07:52,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 14:07:52,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 14:07:52,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:07:51" (1/3) ... [2021-06-06 14:07:52,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5c3c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:07:52, skipping insertion in model container [2021-06-06 14:07:52,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:07:51" (2/3) ... [2021-06-06 14:07:52,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5c3c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:07:52, skipping insertion in model container [2021-06-06 14:07:52,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:07:52" (3/3) ... [2021-06-06 14:07:52,163 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.oepc.i [2021-06-06 14:07:52,168 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 14:07:52,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 14:07:52,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 14:07:52,169 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 14:07:52,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,195 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,197 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,200 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,201 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,207 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,207 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,207 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:07:52,209 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 14:07:52,226 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 14:07:52,275 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 14:07:52,275 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 14:07:52,275 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 14:07:52,276 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 14:07:52,276 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 14:07:52,276 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 14:07:52,276 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 14:07:52,276 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 14:07:52,356 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:07:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:07:52,363 INFO L82 PathProgramCache]: Analyzing trace with hash 935202742, now seen corresponding path program 1 times [2021-06-06 14:07:52,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:07:52,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105260186] [2021-06-06 14:07:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:07:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:07:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:07:52,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:07:52,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105260186] [2021-06-06 14:07:52,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105260186] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:07:52,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:07:52,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 14:07:52,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666682490] [2021-06-06 14:07:52,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 14:07:52,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:07:52,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 14:07:52,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 14:07:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:52,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:07:52,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:07:52,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:52,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 14:07:52,940 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:07:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:07:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash 245670468, now seen corresponding path program 2 times [2021-06-06 14:07:52,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:07:52,944 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545628239] [2021-06-06 14:07:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:07:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:07:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:07:53,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:07:53,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545628239] [2021-06-06 14:07:53,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545628239] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:07:53,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:07:53,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:07:53,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747355017] [2021-06-06 14:07:53,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:07:53,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:07:53,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:07:53,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:07:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:53,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:07:53,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:07:53,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:53,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:07:53,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 14:07:53,664 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:07:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:07:53,671 INFO L82 PathProgramCache]: Analyzing trace with hash 679114956, now seen corresponding path program 3 times [2021-06-06 14:07:53,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:07:53,671 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744798680] [2021-06-06 14:07:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:07:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:07:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:07:53,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:07:53,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744798680] [2021-06-06 14:07:53,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744798680] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:07:53,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:07:53,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:07:53,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984207023] [2021-06-06 14:07:53,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:07:53,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:07:53,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:07:53,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:07:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:53,822 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:07:53,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:07:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:07:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:07:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:07:54,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 14:07:54,355 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:07:54,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:07:54,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1274092040, now seen corresponding path program 4 times [2021-06-06 14:07:54,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:07:54,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794998167] [2021-06-06 14:07:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:07:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:07:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:07:54,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:07:54,463 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794998167] [2021-06-06 14:07:54,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794998167] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:07:54,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:07:54,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 14:07:54,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496798167] [2021-06-06 14:07:54,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 14:07:54,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:07:54,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 14:07:54,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 14:07:54,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:54,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:07:54,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:07:54,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:54,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:07:54,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:07:54,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:07:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:07:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:07:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 14:07:54,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 14:07:55,002 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 14:07:55,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:07:55 BasicIcfg [2021-06-06 14:07:55,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 14:07:55,005 INFO L168 Benchmark]: Toolchain (without parser) took 3882.38 ms. Allocated memory was 364.9 MB in the beginning and 488.6 MB in the end (delta: 123.7 MB). Free memory was 327.6 MB in the beginning and 291.7 MB in the end (delta: 35.9 MB). Peak memory consumption was 160.9 MB. Max. memory is 16.0 GB. [2021-06-06 14:07:55,005 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 364.9 MB. Free memory was 345.7 MB in the beginning and 345.7 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:07:55,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.60 ms. Allocated memory is still 364.9 MB. Free memory was 327.4 MB in the beginning and 325.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-06 14:07:55,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.23 ms. Allocated memory is still 364.9 MB. Free memory was 325.8 MB in the beginning and 323.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:07:55,007 INFO L168 Benchmark]: Boogie Preprocessor took 19.93 ms. Allocated memory is still 364.9 MB. Free memory was 323.8 MB in the beginning and 322.9 MB in the end (delta: 849.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:07:55,009 INFO L168 Benchmark]: RCFGBuilder took 420.44 ms. Allocated memory is still 364.9 MB. Free memory was 322.9 MB in the beginning and 298.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 14:07:55,009 INFO L168 Benchmark]: TraceAbstraction took 2856.61 ms. Allocated memory was 364.9 MB in the beginning and 488.6 MB in the end (delta: 123.7 MB). Free memory was 298.6 MB in the beginning and 291.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.0 GB. [2021-06-06 14:07:55,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 364.9 MB. Free memory was 345.7 MB in the beginning and 345.7 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 547.60 ms. Allocated memory is still 364.9 MB. Free memory was 327.4 MB in the beginning and 325.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.23 ms. Allocated memory is still 364.9 MB. Free memory was 325.8 MB in the beginning and 323.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.93 ms. Allocated memory is still 364.9 MB. Free memory was 323.8 MB in the beginning and 322.9 MB in the end (delta: 849.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 420.44 ms. Allocated memory is still 364.9 MB. Free memory was 322.9 MB in the beginning and 298.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2856.61 ms. Allocated memory was 364.9 MB in the beginning and 488.6 MB in the end (delta: 123.7 MB). Free memory was 298.6 MB in the beginning and 291.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 132.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53761, positive: 51721, positive conditional: 51721, positive unconditional: 0, negative: 2040, negative conditional: 2040, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 51952, positive: 51721, positive conditional: 51721, positive unconditional: 0, negative: 231, negative conditional: 231, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 51952, positive: 51328, positive conditional: 0, positive unconditional: 51328, negative: 624, negative conditional: 0, negative unconditional: 624, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 707, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 707, positive: 690, positive conditional: 0, positive unconditional: 690, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 29, positive conditional: 15, positive unconditional: 14, negative: 61, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51952, positive: 50632, positive conditional: 0, positive unconditional: 50632, negative: 613, negative conditional: 0, negative unconditional: 613, unknown: 707, unknown conditional: 0, unknown unconditional: 707] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 11, Positive unconditional cache size: 696, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 29, positive conditional: 15, positive unconditional: 14, negative: 61, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1568, positive: 382, positive conditional: 382, positive unconditional: 0, negative: 1170, negative conditional: 83, negative unconditional: 1087, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 11, Positive unconditional cache size: 696, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1087, SemanticConditionEliminator.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 29, positive conditional: 15, positive unconditional: 14, negative: 61, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1568, positive: 382, positive conditional: 382, positive unconditional: 0, negative: 1170, negative conditional: 83, negative unconditional: 1087, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 11, Positive unconditional cache size: 696, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1087, SemanticConditionEliminator.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 29, positive conditional: 15, positive unconditional: 14, negative: 61, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1568, positive: 382, positive conditional: 382, positive unconditional: 0, negative: 1170, negative conditional: 83, negative unconditional: 1087, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 11, Positive unconditional cache size: 696, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1087, SemanticConditionEliminator.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1568, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 1175, negative conditional: 88, negative unconditional: 1087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 29, positive conditional: 15, positive unconditional: 14, negative: 61, negative conditional: 7, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1568, positive: 382, positive conditional: 382, positive unconditional: 0, negative: 1170, negative conditional: 83, negative unconditional: 1087, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 707, Positive conditional cache size: 11, Positive unconditional cache size: 696, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1087 ], Maximal queried relation: 4, Independence queries for same thread: 1809 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2761.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 1830.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.9ms SsaConstructionTime, 178.0ms SatisfiabilityAnalysisTime, 492.3ms InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...